Xiannudong Formation
46 distinct taxa, from 73 fossil occurrences the Paleobiology Database records under this name, spanning 521–512 Mya.
Shaanxi, Sichuan · CN
46 taxa · 73 fossils · 521–512 MyaLoading coastlines…
4 distinct localities, where the rock is now rather than where it was laid down. Tectonics draws the world it belonged to.
When
What has been found
- Archaeocyathus
- Dictyocyathus
- Pilodicoscinus
- Inessocyathus
- Metacyathellus
- Protopharetra
- Afiacyathus
- Dailycyathus
- Erismacoscinus
- Graphoscyphia
- Qinlingocyathus
- Rasetticyathus
- Renalcis
- Rotundocyathus
- Rudanulus
- Taylorcyathus
- Agastrocyathus gastus
- Annulocyathella
- Antoniocoscinus
- Archaeocyatha
- Archaeopharetra
- Brachiopoda
- Chancelloriidae
- Changicyathus
- Clathricoscinus
- Conannulofungia
- Coscinocyathus
- Crassicoscinus
- Echinodermata
- Eohadrotreta zhenbaensis
- Epiphyton
- Gandinocyathus
- Hyolitha
- Leptosocyathus
- Nochoroicyathus
- Okulitchicyathus
- Porifera
- Porocoscinus
- Robustocyathellus
- Sibirecyathus
The 40 most often recorded, of 46.
What else lived thenRank the rock of a period
Counts are of occurrence records, which measure the rock and the fieldwork together.